![how to check fuel pump 2003 ford taurus how to check fuel pump 2003 ford taurus](https://i.ebayimg.com/images/g/D1YAAOSwwpZgbCu1/s-l300.jpg)
- #How to check fuel pump 2003 ford taurus driver#
- #How to check fuel pump 2003 ford taurus professional#
As a fuel pump fails, you may notice a whirring or humming noise coming from the fuel tank area, toward the rear of the car. The lack of fuel may result in the engine operating without enough fuel relative to the amount of air, causing the check engine light to appear. Sometimes a fuel pump will fail slowly, and that means the fuel pressure and volume slowly degrades. A failed fuel pump may prevent a car from starting or stall it. Car won’t start or unexpectedly stalls and won’t re-start.This failed condition can sometimes be preceded or accompanied by one or more of the following symptoms: If it fails to produce adequate pressure or completely quits operating, it will need to be replaced. However, as with any electro-mechanical component, a fuel pump will eventually degrade and fail.
#How to check fuel pump 2003 ford taurus professional#
If your vehicle is displaying any of the symptoms above, or you suspect that your fuel pump shut off switch may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if the switch should be replaced.When to consider replacing the fuel pump?Ī high quality, OEM fuel pump can last indefinitely. While many fuel pump shut off switches will usually last the life of the vehicle, they can sometimes fail and cause problems with the drivability of the vehicle. A no start condition can also be caused by a wide variety of other issues, so having the vehicle diagnosed is highly recommended. The fuel pump may remain disabled, sometimes even if the reset button is pressed, until the switch is replaced. The engine may still crank when the key is turned however it will not be able to start due to a powerless fuel pump. Turn the ignition key to the 'On' position to pressurize the fuel system. Connect the negative (black) battery cable using the wrench. If the switch malfunctions it may permanently disable the fuel pump and produce a no start condition. Refill the fuel tank, replace the fuel filler cap and fuel pump relay. Auto Service Costs Find the prices for normal auto service activities including alignment, tuneup, timing belt replacement and more.
#How to check fuel pump 2003 ford taurus driver#
No start conditionĪnother symptom of an issue with with the fuel pump shut off switch is a no start condition. P1237 Fuel Pump Secondary Circuit Fault happens when the fuel pump driver module has determined a problem in the fuel pump secondary circuit. The switch will have to be continuously reset in order for the vehicle to drive. I mea BATTERY RESET TOOL Do you replace car batteries for BMW, Ford F-series trucks and. A good switch will shut of the fuel pump when it detects that the vehicle has come to a sudden or violent stop, a faulty switch, however, may trip and shut off the fuel pump for no apparent reason, even when the vehicle is experiencing normal driving conditions. Ford vehicles use both an active and passive antitheft system. Switch that trips for no reasonĪnother symptom of a problematic fuel pump shut off switch is a switch that trips for no apparent reason. My 2003 taurus ,once in a great while, would not restart after driving. The fuel pump may be reactivated by finding and pressing the reset button for the switch. I am hesitant to replace the fuel pump (600 job) unless I know for sure that. If the fuel pump shut off switch malfunctions while the engine is operating it may shut off the fuel pump and cause the engine to stall. One of the first symptoms of a potential issue with the fuel pump shut off switch is an engine that suddenly stalls while driving. Usually a bad or failing fuel pump shut off switch will produce a few symptoms that can alert the driver of a potential issue. As the switch has the capacity to shut off the fuel pump, issues with it can potentially lead to drivability and performance issues for the vehicle. The fuel pump switch is an electrical component, and just the same as the rest on the vehicle, over time it can wear out and develop issues. The switch will usually come with a reset button that will reactivate the fuel pump if the switch was tripped. In the event of an accident or collision, where it may be possible for fuel lines or hoses to become damaged, the fuel pump shut off switch will deactivate the fuel pump in order to stop flow and prevent fuel leaks from becoming a potential safety hazard.
![how to check fuel pump 2003 ford taurus how to check fuel pump 2003 ford taurus](https://i.ytimg.com/vi/Z_04bQ9y0W8/maxresdefault.jpg)
When the reset button is pushed in (or down), then the. It is not supplying power to the fuel pump in this position. With the inertia switch in the open position, the red button is raised up. On the top of the inertia switch is a red button. Commonly referred to as the inertia switch, the fuel pump shut off switch is designed to shut off the fuel pump when it is detected that the vehicle has come to an unusually sudden, or forceful stop. If you have a Ford fuel pump that is not operating properly, always be sure to check your inertia switch. The fuel pump shut off switch is an electrical switch that is found on certain vehicles equipped with internal combustion engines.